{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xbb92ba8223c59cc18cd6616b55bb3d93784ac35f1616b40abe6b59633c9d3c40",
    "signature": "0x7c1c86b0bd11ca0b7b9557a97c09bec6fef68629a47dee27da61c8f4f53efcfd64a204e4f89781ca6632e2da72a942e2e5ed61974b61fca5c3f7b57de206fb611b",
    "signer": "0x1Ca1b0dD8C999C3DE081d614C49390Eb017c17D3",
    "userId": "746024683"
  }
}